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賺賠：例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
拼砌四邊形
【案例】2013年安徽高考15题
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
錐體建築師
Discover Resources
final report
正四面體對邊向量垂直作圖證明
Measuring Volume 3
裝飾用
盾牌(小動畫)
Discover Topics
Probability
Straight Lines
Matrices
Numbers
Addition